Yamaha EF2800i Service Manual page 93

Unit
Crankshaft:
Big end side clearance "A"
<Limit>
Runout "B"
<Limit>
Crank pin diameter "C"
<Limit>
Connecting rod:
Small end diameter "A"
Oil clearance
Big end diameter "B"
Oil clearance
<Limit>
Camshaft:
Camshaft outside diameter
Cam dimension
"A"
"B"
Camshaft journal
<Limit>
Valve:
Valve
Face diameter "A"
Stem diameter "B"
Stem lengtlh "C"
Valve face contanct
width "D"
<Limit>
Valve stem runout limit
"θ"
Valve guide
Guide inside diameter
<Limit>
Stem to guide clearance IN
Valve clearance
MAINTENANCE SPECIFICATIONS
mm (in)
0.20 ~ 0.60 (0.008 ~ 0.024)
0.75 (0.029)
0.04 (0.0016)
28.0 (1.102)
27.9 (1.098)
mm (in)
16.006 ~ 16.020 (0.6301 ~ 0.6307)
0.006 ~ 0.025 (0.0002 ~ 0.0010)
28.000 ~ 28.015 (1.1023 ~ 1.1029)
0.015 ~ 0.040 (0.0006 ~ 0.0016)
0.1 (0.004)
mm (in)
26.9 ± 0.05
(1.06 ± 0.002)
22.0 ±0.05
(0.87 ± 0.002)
14.965 ~ 14.990 (0.5892 ~ 0.5902)
14.950 (0.59)
mm (in)
IN 24.0 (0.94)
EX 22.0 (0.87)
IN 5.5 (0.22)
EX 5.5 (0.22)
IN 65.9 (2.59)
EX 66.2 (2.61)
0.7 (0.03)
IN
EX 0.7 (0.03)
1.7 (0.067)
0.01 (0.0004)
90°
IN 5.5 (0.22)
EX 5.5 (0.22)
IN 5.4 (0.21)
EX 5.4 (0.21)
0.04 ~ 0.06 (0.0016 ~ 0.0020)
EX 0.06 ~ 0.08 (0.002 ~ 0.003)
IN 0.1 (0.004)
EX 0.1 (0.004)
5-4
SPEC
EF2800i
IN
26.68 ± 0.05
(1.05 ± 0.002)
22.03 ± 0.05
(0.87 ± 0.002)
EX